/* ── Login Page ──────────────────────────────────────────────────── */

body.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  background: var(--surface);
  border-radius: var(--card-radius);
  padding: 3rem 2.5rem;
  max-width: 420px;
  width: 100%;
  margin: 1.25rem;
  border: 1px solid var(--border);
}

.login-logo {
  height: 48px;
  width: auto;
  display: block;
  margin-bottom: 1.5rem;
}

.login-card h1 {
  font-size: calc(1.2vw + 1rem);
  margin-bottom: 0.5rem;
}

.login-subtitle {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 2rem;
  line-height: 1.5;
}

.login-card label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 0.375rem;
}

.login-card input[type="email"],
.login-card input[type="text"] {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--surface);
  transition: border-color 0.2s;
  outline: none;
}

.login-card input[type="email"]:focus,
.login-card input[type="text"]:focus {
  border-color: var(--accent);
}

.login-card input[type="email"]::placeholder,
.login-card input[type="text"]::placeholder {
  color: var(--text-tertiary);
}

/* OTP input — large centered digits */
.login-card input#otp {
  font-size: 1.75rem;
  font-weight: 700;
  font-family: 'Archivo', monospace;
  letter-spacing: 0.35em;
  text-align: center;
  padding: 1rem;
}

.login-card button[type="submit"] {
  width: 100%;
  margin-top: 1rem;
}

.login-card button[type="submit"]:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-back {
  display: block;
  margin-top: 0.75rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.875rem;
  cursor: pointer;
  padding: 0.25rem 0;
}

.btn-back:hover {
  color: var(--accent);
}

.login-message {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  font-size: 0.875rem;
  line-height: 1.5;
  display: none;
}

.login-message.success {
  display: block;
  background: var(--accent-soft-bg);
  color: var(--accent-soft-text);
}

.login-message.error {
  display: block;
  background: var(--error-bg);
  color: var(--error-text);
}

.login-footer {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

@media (max-width: 768px) {
  .login-card {
    padding: 2rem 1.5rem;
  }
}